54mm diameter reel boss
thingiverse
A boss to reduce the diameter of filament reels so they sit more centrally on the spool holder and turn more easily.
Download Model from thingiverse
With this file you will be able to print 54mm diameter reel boss with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 54mm diameter reel boss .